Q12Multiple choice
Ram put some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons in all. All of a sudden, a cat jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue? 7 3 1 1
- (a)
- (b)
- (c)
- (d)20 5 5 4
Show answer
(c)